<template>
	<!-- #ifdef MP-WEIXIN -->
	<uv-navbar
	  :fixed="false"
	  :title="title"
	  left-arrow
	  @leftClick="$onClickLeft"
	/>
	<!-- #endif -->
	<view class="content">
		<view class="banner-box">
			<swiper :autoplay="true" :interval="2000" circular>
				<swiper-item v-for="(item,index) in adList" :key="index">
					<view class="swiper-item">
						<image :src="item.image" mode="widthFix"></image>
					</view>
				</swiper-item>
			</swiper>
		</view>
		<view class="account">
			<view class="info" @click="go('user-center')">
				<image :src="member.avatar ? member.avatar : '/static/images/mine/default.png'" mode="widthFix"></image>
				<view class="name">
					{{ member.nickname }}
				</view>
				<view class="sum" @click="goOrders">
					<text>{{ member.integral }}</text>
					积分
					<uv-icon name="arrow-right" size="12" color="#ccc" style="margin-right:2px;" ></uv-icon>
				</view>
			</view>
		</view>
		<view class="list-wrap">
			<view class="tab-wrap">
				<uv-tabs :list="catList" @click="clickCate" activeStyle="color:#FF162E;font-weight:bold" lineColor="color:#FF162E"></uv-tabs>		
			</view>	
			<scroll-view scroll-y class="sv" :style="{height:scrollHeight+'px'}" :scroll-top="scrollTop" lower-threshold="20" @scroll="scroll" @scrolltolower="reachBottom">
				<view class="product-box">
					<view class="commodity" v-if="goodList.length > 0">
						<view class="product" @click="goDetail(item.id)" v-for="(item,index) in goodList" :key="index">
							<view class="product-img">
								<image :src="item.image" mode="widthFix"></image>
							</view>
							<view class="product-info">
								<view class="product-name line2">{{item.title}}</view>
								<view class="label">
									<label class="label1">
										<uni-icons type="hand-up-filled" size="13" color="#fff" style="margin-right: 5rpx;"></uni-icons>
										超值兑
									</label>
									<label class="label2">商品</label>
								</view>
								<view class="product-price">
									<label>{{item.score}}积分 </label>+{{item.price}}元
								</view>
								<view class="product-purchase">
									<uni-icons type="fire-filled" size="13" color="#FF162E" style="margin-right: 5rpx;"></uni-icons>
									{{item.sales}}人已兑换
								</view>
							</view>
						</view>
						<uv-load-more  :status="listStatus" />
					</view>
					<uv-empty text="暂无数据" v-else  margin-top="100" mode="list"></uv-empty>
				</view>
			</scroll-view>
		</view>	
	</view>
</template>

<script setup>
import {
  ref,
  computed,
  getCurrentInstance
} from 'vue'
import { onReachBottom,onShow,onLoad,onReady} from '@dcloudio/uni-app'
import {
  scoreAds,
  scoreCates,
  scoreShopIndex
} from '@/api/score'
import { useMainStore } from '@/store/store'
import { storeToRefs } from 'pinia'
const main = useMainStore()
const { member,isLogin } = storeToRefs(main)

const catList = ref([{id:0,name:'全部'}])
const tabIndex = ref(0)
const dataStatus = ref('loading')
const noticeOrders = ref(['1111','2222'])
const scrollHeight = ref(0)
const pH = ref(0)
const scrollTop = ref(-1)
const adList = ref([])
const goodList = ref([])
const page = ref(1)
const pageSize = ref(10)
const lastPage = ref(false)
const listStatus = ref('loadmore')
const cateId = ref(0)


onReady(()=>{
	uni.getSystemInfo({ 
		success(res) {
			pH.value = res.windowHeight 
			let scrollH = uni.createSelectorQuery().select(".sv")
			scrollH.boundingClientRect(data=>{
				let pH0 = pH.value
				scrollHeight.value = pH0 - data.top - 5  
			}).exec()
		}
	})
})

const reachBottom = () => {
	if(lastPage.value || listStatus.value == 'loading') return ;
	if (!lastPage.value) {
		listStatus.value = 'loading';
		setTimeout(() => {
			listStatus.value = 'loadmore'
			getList(true,++page.value)
		}, 500)	
	}
}

const clickCate = (item) => {
	cateId.value = item.id
	page.value = 1
	lastPage.value= false
	getList()
}

onLoad(() => {
	if(!isLogin.value) {
		uni.navigateTo({url: '/pages/components/pages/login/login'})
	}
	getAds()
	getCate()
	getList()
})

const goDetail = (item) => {
	uni.navigateTo({
		url: '/pages/components/pages/scoreproduct/detail?id=' + item
	})
}

const goOrders = () => {
	uni.navigateTo({
		url: '/pages/components/pages/scoreproduct/order'
	})
}

const getAds = async() => {
	adList.value = await scoreAds()
}

const getCate = async() => {
	let data = await scoreCates()
	catList.value = catList.value.concat(data)
}

const getList  = async(isNextPage) => {
	let data = await scoreShopIndex({
		page: page.value,
		limit: pageSize.value,
		cateId: cateId.value,
	});
	
	if(data) {
		// 不够一页
		if (data.length < 10) {
			listStatus.value = 'nomore'
		}
		// 最后一页
		if(data.length == 0) {
			lastPage.value = true
		} 
		// 第二页开始
		if(isNextPage) {
			goodList.value = goodList.value.concat(data)
			return 
		}
		goodList.value = data
	}
}



 </script>

<style lang="scss" scoped>
	.content {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}
	.banner-box{
		width: 100%;
		height: 260rpx;
		swiper{
			width: 100%;
			height: 100%;
		}
		image{
			width: 100vw;
			height: 100%;
		}
	}
	.account{
		width: 95vw;
		margin: 0 auto;
		border-radius: 20rpx;
		padding: 20rpx;
		background: rgba(255, 255, 255, 1);
		box-shadow: 0 -2px 8px 0 rgba(0, 0, 0, .1);
		position: relative;
		top: -30rpx;
		box-sizing: border-box;
		.info{
			display: flex;
			align-items: center;
			justify-content: space-between;
			//padding-bottom: 30rpx;
			border-bottom: 1rpx solid #EDEDED;
			image{
				width: 88rpx;
				height: 88rpx;
				border-radius: 88rpx;
			}
			.name{
				flex: 1;
				margin: 0 20rpx;
			}
			.sum{
				display: flex;
				align-items: center;
				font-weight: bold;
				text{
					color: $theme-color;
					font-size: 38rpx;
					margin-right: 10rpx;
				}
			}
			.img{
				width: 60rpx;
				height: 60rpx;
				background-color: rgba(207, 25, 42,.3);
				border-radius: 60rpx;
			}
		}
	}
	
	.list-wrap{
		width: 100%;
		display: flex;
		flex-direction: column;
	}
	.tab-wrap{
		position: sticky;
		top: 0;
		z-index: 10;
		background: #fff;
		padding-bottom: 10rpx;
	}	
	
	.product-box{
		width: 100%;
		position: relative;
		box-sizing: border-box;
		.commodity{
			width: 100%;
			margin: 0 auto;
			padding: 20rpx;
			box-sizing: border-box;
			display: flex;
			justify-content: space-between;
			flex-wrap: wrap;
		}
	}
	.product{
		width: 49.2%;
		margin-bottom: 15rpx;
		background: #fff;
		border-radius: 5rpx;
		overflow: hidden;
		.product-img{
			width: 100%;
			height: 46.6vw;	
			border-radius: 5rpx;
			overflow: hidden;
			image{
				width: 100%;
				height: auto;
			}
		}
		.product-info{
			padding: 20rpx;
			.product-name{
				font-size: 28rpx;
			}
			.label{
				margin: 20rpx 0;
				label{
					padding: 2rpx 10rpx;
					font-size: $font-size-sm;
					display: inline-block;
					border-radius: 5rpx;					
				}
				.label1{
					color: $uni-text-color-inverse;
					background-color: $theme-color;
					margin-right: 15rpx;
				}
				.label2{
					color: $text-color-grey;
					border: 1rpx solid $text-color-grey;
				}
			}
			.product-price{
				color: $theme-color;
				font-size: $font-size-sm;
				label{
					font-weight: bold;
					font-size: $font-size-lg;
				}
			}
			.product-purchase{
				margin-top: 20rpx;
				color: $text-color-grey;
				font-size: $font-size-sm;
			}
		}
	}
</style>
